Код:
unit Unit1; interface uses SysUtils,Forms,Dialogs,StdCtrls,Controls,Classes; type TForm1 = class(TForm) Button1: TButton; Edit1: TEdit; Label1: TLabel; procedure Button1Click(Sender: TObject); private { Private declarations } public { Public declarations } end; var Form1: TForm1; implementation {$R *.dfm} function rus2lat(data:string):string; var a: array [1..30] of string; i,L,j,k:byte; Rus,Lat,sout:string; begin sout:=''; L:=Length(data); Rus:='абвгдежзиклмнопрстуфхю'; //собственно эти строки и служат Lat:='abvgdegziklmnoprstyfhu'; //для перевода RUS символов в ENG for i:=1 to L do begin for j:=1 to 23 do if data[i]=Rus[j] then a[i]:=Lat[j] else if AnsiLowerCase(data[i])=Rus[j] then a[i]:=AnsiUpperCase(Lat[j]); end; for k:=1 to L do sout:=sout+a[k]; Rus2Lat:=sout; end; procedure TForm1.Button1Click(Sender: TObject); begin label1.Caption:=rus2lat(Edit1.Text); end; end.